G04X100中的‘100’的含义是() A: S B: MS C: r/min D: m/min
G04X100中的‘100’的含义是() A: S B: MS C: r/min D: m/min
一下程序输出的结果的是() g=100 def<br/>temp(x): x=50 print(temp(g)) print(g) A: None 50 B: 100 50 C: 50 100 D: None 100
一下程序输出的结果的是() g=100 def<br/>temp(x): x=50 print(temp(g)) print(g) A: None 50 B: 100 50 C: 50 100 D: None 100
定义了数组seg[4]= {ox01,0x02,0x03,0x04}; 则seg[2] = ( )
定义了数组seg[4]= {ox01,0x02,0x03,0x04}; 则seg[2] = ( )
设f(x)=sinx,g(x)=cosx,则在[0,π/4]上有[]. A: f(x)≥g(x),fˊ(x)>gˊ(x) B: f(x)≥g(x),fˊ(x)<gˊ(x) C: F(X)≤g(x),fˊ(x)>gˊ(x) D: f(x)≤g(x),fˊ(x)<gˊ(x)
设f(x)=sinx,g(x)=cosx,则在[0,π/4]上有[]. A: f(x)≥g(x),fˊ(x)>gˊ(x) B: f(x)≥g(x),fˊ(x)<gˊ(x) C: F(X)≤g(x),fˊ(x)>gˊ(x) D: f(x)≤g(x),fˊ(x)<gˊ(x)
1,x%2!=02,(x%2==0)3,(x=x/282)==04,if(x%2)只有当x为偶数时,才是逻辑真的表达式
1,x%2!=02,(x%2==0)3,(x=x/282)==04,if(x%2)只有当x为偶数时,才是逻辑真的表达式
设f(x),g(x)在区间[a,b]上连续,且g(x) A: π∫ab[2m-f(x)+g(x)][f(x)-g(x)]dx B: π∫ab[2m-f(x)-g(x)][f(x)-g(x)]dx C: π∫ab[m-f(x)+g(x)][f(x)-g(x)]dx D: π∫ab[m-f(x)-g(x)][f(x)-g(x)]dx
设f(x),g(x)在区间[a,b]上连续,且g(x) A: π∫ab[2m-f(x)+g(x)][f(x)-g(x)]dx B: π∫ab[2m-f(x)-g(x)][f(x)-g(x)]dx C: π∫ab[m-f(x)+g(x)][f(x)-g(x)]dx D: π∫ab[m-f(x)-g(x)][f(x)-g(x)]dx
设函数f(x),g(x)是大于零的可导函数,且f'(x)g(x)-f(x)g'(x) A: f(x)g(b)>;f(b)g(x) B: f(x)g(a)>;f(a)g(x) C: f(x)g(x)>;f(a)g(a) D: f(x)g(x)>;f(b)g(b)
设函数f(x),g(x)是大于零的可导函数,且f'(x)g(x)-f(x)g'(x) A: f(x)g(b)>;f(b)g(x) B: f(x)g(a)>;f(a)g(x) C: f(x)g(x)>;f(a)g(a) D: f(x)g(x)>;f(b)g(b)
【单选题】与WHERE G BETWEEN 60 AND 100语句等价的子句是() A. WHERE G>60 AND G<100 B. WHERE G>=60 AND G<=100 C. WHERE G>=60 AND G<100 D. WHERE G>60 AND G<=100
【单选题】与WHERE G BETWEEN 60 AND 100语句等价的子句是() A. WHERE G>60 AND G<100 B. WHERE G>=60 AND G<=100 C. WHERE G>=60 AND G<100 D. WHERE G>60 AND G<=100
设函数f(x),g(x)是大于零的可导函数,且f′(x)g(x)-f(x)g′(x)<0,则当a<x<b时有() A: f(x)g(b)>f(b)g(x) B: f(x)g(a)>f(a)g(x) C: f(x)g(x)>f(b)g(b) D: f(x)g(x)>f(a)g()
设函数f(x),g(x)是大于零的可导函数,且f′(x)g(x)-f(x)g′(x)<0,则当a<x<b时有() A: f(x)g(b)>f(b)g(x) B: f(x)g(a)>f(a)g(x) C: f(x)g(x)>f(b)g(b) D: f(x)g(x)>f(a)g()
设f(x),g(x)(a<x<b)为大于零的可导函数,且f"(x)g(x)-f(x)g"(x)<0,则当a<x<b时,有______. A: f(x)g(x)>f(b)g(x) B: f(x)g(a)>f(a)g(x) C: f(x)g(x)>f(b)g(b) D: f(x)g(x)>f(a)g(a)
设f(x),g(x)(a<x<b)为大于零的可导函数,且f"(x)g(x)-f(x)g"(x)<0,则当a<x<b时,有______. A: f(x)g(x)>f(b)g(x) B: f(x)g(a)>f(a)g(x) C: f(x)g(x)>f(b)g(b) D: f(x)g(x)>f(a)g(a)